From: Lukas Czerner <lczerner@redhat.com>
Date: Tue, 28 May 2013 03:32:35 +0000 (-0400)
Subject: Revert "ext4: remove no longer used functions in inode.c"
X-Git-Tag: omap-for-v3.11/fixes-for-merge-window~83^2~75
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=d863dc3614e489e11808f940a612b520ce1dff91;p=pandora-kernel.git

Revert "ext4: remove no longer used functions in inode.c"

This reverts commit ccb4d7af914e0fe9b2f1022f8ea6c300463fd5e6.

This commit reintroduces functions ext4_block_truncate_page() and
ext4_block_zero_page_range() which has been previously removed in favour
of ext4_discard_partial_page_buffers().

In future commits we want to reintroduce those function and remove
ext4_discard_partial_page_buffers() since it is duplicating some code
and also partially duplicating work of truncate_pagecache_range(),
moreover the old implementation was much clearer.

Signed-off-by: Lukas Czerner <lczerner@redhat.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
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